Home / 7,727,718.40-11,593,651.20-6,892,057.60

Finding the Fourth Proportional to 7,727,718.40, 11,593,651.20 and 6,892,057.60

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Solution

The fourth proportional to 7,727,718.40, 11,593,651.20 and 6,892,057.60 is: 10,339,935.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,727,718.40 : 11,593,651.20 = 6,892,057.60 : x
  2. Step 2: Convert to fraction form
    7,727,718.40/11,593,651.20 = 6,892,057.60/x
  3. Step 3: Cross multiply
    7,727,718.40x = 11,593,651.20 × 6,892,057.60
  4. Step 4: Simplify right side
    7,727,718.40x = 79,904,111,864,709.11
  5. Step 5: Solve for x
    x = 79,904,111,864,709.11/7,727,718.40
  6. Step 6: Final answer
    x = 10,339,935.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.